RDMA/mlx5: Recover from fatal event in dual port mode

[ Upstream commit 97f30d324ce6645a4de4ffb71e4ae9b8ca36ff04 ]

When there is fatal event on the slave port, the device is marked as not
active. We need to mark it as active again when the slave is recovered to
regain full functionality.

Fixes: d69a24e03659 ("IB/mlx5: Move IB event processing onto a workqueue")
Link: https://lore.kernel.org/r/8906754455bb23019ef223c725d2c0d38acfb80b.1620711734.git.leonro@nvidia.com
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index e2656b68ec222e6b3fcc56dbcc1ca1b6fd9d9a73..a173737cb0222190a90d2f06733433b6d389dae4 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -6879,6 +6879,7 @@ static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev)
 
                if (bound) {
                        rdma_roce_rescan_device(&dev->ib_dev);
+                       mpi->ibdev->ib_active = true;
                        break;
                }
        }